NSX 2099905 - [nsx@6876 comp="nsx-esx" subcomp="nsx-proxy" s2comp="nsx-net" tid="2099950" level="ERROR" errorCode="NET1111"] Certificate validation failed: 10-certificate has expiredVMware NSX 4.x
API certificates for NSX managers and the cluster are required to be valid prior to running NSX upgrades.
Run the provided script in KB: Using Certificate Analyzer, Results and Recovery (CARR) Script to fix certificate related issues in NSX to resolve certificate management issues.